NAT TFTP boot with VBox.

rwimg support added

1 files changed, 60 insertions, 38 deletions

diff --git a/os-plugins/plugins/virtualbox/files/run-virt.include b/os-plugins/plugins/virtualbox/files/run-virt.include
index 11f8d0eb..6d300044 100644
--- a/os-plugins/plugins/virtualbox/files/run-virt.include
+++ b/os-plugins/plugins/virtualbox/files/run-virt.include
@@ -31,6 +31,7 @@ fi
 ################################################################################
 
 PLUGINCONFVIRTUALBOX="${PLUGINCONFROOT}/${self}"
+PLUGINDIRVIRTUALBOX="${OPENSLX_DEFAULT_DIR}/plugin-repo/${self}"
 # create TMPDIR for all users
 TMPDIR=/tmp/${self}
 mkdir -m 1777 ${TMPDIR} 2>/dev/null
@@ -48,15 +49,14 @@ diskfolder="${confdir}/HardDisks"
 snapshotdir=${machfolder}/${vm_shortname}/Snapshots
 mkdir -p ${diskfolder} ${snapshotdir} 2>/dev/null
 
-# configure rwimg
-if [ "${imgmode}" = "rwimg" ] && ! [ -e "${vmpath}" ]; then
+# configure our own rwimg, empty image which we support
+if [ "${imgmode}" = "rwimg" ]; then
   # what is our rwimg called?
-  imgname="${imgname}.vdi"
+  imgname="${vm_shortname}.vdi"
   vmpath=${imgpath}/${imgname}
-  cat ${OPENSLX_DEFAULT_DIR}/plugin-repo/${self}/rwimg.vdi.gz \
-    | gunzip > "${vmpath}"
-  # static rw share image uuid
-  #rwimguuid="ab20cb01-2d08-4d73-a33c-5594c5d0b8cb"
+  if ! [ -e "${vmpath}" ]; then
+    cat ${PLUGINDIRVIRTUALBOX}/rwimg.vdi.gz | gunzip > "${vmpath}"
+  fi
 fi
 
 # link to image
@@ -65,9 +65,9 @@ ln -sf ${vmpath} ${diskfile}
 
 # check the file type
 if echo ${imgname} | grep -iE "vdi|vmdk|vhd" >/dev/null 2>&1; then
-  imgtype=$(echo ${imgname##*.} | tr [a-z] [A-Z])
+  imgfmt=$(echo ${imgname##*.} | tr [a-z] [A-Z])
 else
-  writelog "${imgname} is not a valid image type (vdi|vmdk|vhd), exiting!"
+  writelog "${imgname} is not a valid image format (vdi|vmdk|vhd), exiting!"
   exit 1
 fi
 
@@ -105,11 +105,42 @@ macaddr=$(echo ${macaddr} | sed 's/://g')
 machineuuid="00000000-0000-0000-0000-${macaddr}"
 # cosmetical, since UUID in lower case
 machineuuid=$(echo ${machineuuid} | tr [A-Z] [a-z])
-# get UUID of VBox image, only if rwimg.vdi not used
+# get UUID of VBox image
 diskuuid=$(VBoxManage -q showvdiinfo ${diskfile} | grep UUID \
            | awk '{print $2}')
+# make disk immutable
+imgtype="Immutable"
 # snapshot UUID is static
 snapshotuuid="88bc8b6d-f248-468a-95fe-318084904f8b"
+# imageuuid in machine.include, dafault snapshotuuid
+imageuuid=${snapshotuuid}
+
+# check if rw image
+# remove disk and add rwimg if set
+if echo "${imgmode}" | grep -q rw; then
+  # lock existing?
+  if [ -e "${vmpath}.lock" ]; then
+    writelog "This rw image is already in use: ${vmpath}, exiting!"
+    writelog "Remove lock if you are shure that this is not the case"
+    exit 1
+  # image rw?
+  elif ! [ -w ${vmpath} ]; then
+    writelog "You defined mode rw, but image is not rw! \c"
+    writelog "Please correct, exiting!"
+    exit 1
+  fi
+  # add lock
+  touch "${vmpath}.lock"
+  # remove lock after VM stopped
+  RMDIRS="${RMDIRS} ${vmpath}.lock"
+  imgtype="Normal"
+  # replace image uuid in machine config
+  imageuuid=${diskuuid}
+else
+  # use temp disk as snapshot
+  cat ${PLUGINDIRVIRTUALBOX}/empty-diff.vdi.gz \
+    | gunzip > "${snapshotdir}/{${snapshotuuid}}.vdi"
+fi
 
 # TODO: MEM muss noch angepasst werden. Maschine crasht wenn nehr als 50% MEM
 # memory part equal to vmware plugin
@@ -171,7 +202,6 @@ case "${network_kind}" in
   ;;
   *)
     network_kind="NAT"
-  ;;
 esac
 
 # external GUI
@@ -207,6 +237,16 @@ if [ -n "${boot}" ]; then
   case ${boot} in
     n*) # usually support for a,c,d,n, stands for Floppy, HD, CD-ROM, Network
       boot="Network"
+      if [ "${network_kind}" = "NAT" ] && [ -n "${virtualbox_tftpdir}" ]; then
+        # remove spaces from VM name to avoid Problems /w TFTP in NAT
+        vm_name=$(echo ${vm_name} | sed -e "s, ,-,g")
+        # link TFTP dir for NAT TFTP boots
+        mkdir -p ${confdir}/TFTP
+        cp ${virtualbox_tftpdir}/pxelinux.0 ${confdir}/TFTP/${vm_name}.pxe
+        for i in $(ls ${virtualbox_tftpdir}); do
+          ln -sf ${virtualbox_tftpdir}/${i} ${confdir}/TFTP/${i}
+        done
+      fi
     ;;
     # later maybe c|disk|hd*|sd*) for HD and d|cd*) for CD-ROM
     *) 
@@ -219,8 +259,9 @@ fi
 
 writelog "\tSnapshots dir:\t\t$snapshotdir"
 writelog "Diskimage:"
-writelog "\tDisk type:\t\t$imgtype"
 writelog "\tDisk file:\t\t$diskfile"
+writelog "\tDisk format:\t\t$imgfmt"
+writelog "\tDisk type:\t\t$imgtype"
 writelog "\tVMostype:\t\t$vmostype"
 writelog "\tMachine UUID:\t\t$machineuuid"
 writelog "\tDisk UUID:\t\t$diskuuid"
@@ -246,35 +287,19 @@ writelog "\tShared Folders '${sharename}':\t${sharepath}"
 ### Pepare and configure virtual machine and disk image
 ################################################################################
 
-# TODO: date wichtig?
-#date="$(date +%Y-%m-%dT%H:%M:%SZ)"
-. ${PLUGINCONFVIRTUALBOX}/virtualbox.include > "${confdir}/VirtualBox.xml"
+# create Virtualbox.xml
+. ${PLUGINCONFVIRTUALBOX}/virtualbox.include
 
-# remove disk and add rwimg if set
-if echo "${imgmode}" | grep -q rw; then
-  if [ -e "${vmpath}.lock" ]; then
-    writelog "This rw image is already in use: ${vmpath}, exiting!"
-    writelog "Remove lock if you are shure that this is not the case"
-    exit 1
-  fi
-  # add lock
-  touch "${vmpath}.lock"
-  # remove lock after VM stopped
-  RMDIRS="${RMDIRS} ${vmpath}.lock"
-  rwimghd="<HardDisk uuid=\"{${diskuuid}}\" location=\"${diskfile}\""
-  rwimghd="${rwimghd} format=\"VDI\" type=\"Normal\"/>"
-  sed -i "/<HardDisk uuid/d;s,</HardDisk>,${rwimghd}," \
-    "${confdir}/VirtualBox.xml"
-  # replace image uuid in machine config
-  snapshotuuid=${diskuuid}
+# remove snapshot disk when using rw images
+if [ "${imgtype}" != "Immutable" ]; then
+  sed -i "/${snapshotuuid}/d" "${confdir}/VirtualBox.xml"
 fi
 
 # TODO: add rawdisk if requested
 #"raw.vmdk" format="VMDK" type="Writethrough"/>
 
-# shortened date YYYY-MM-DD
-#date=${date%T*}
-. ${PLUGINCONFVIRTUALBOX}/machine.include > "${machconfig}"
+# create machine.xml
+. ${PLUGINCONFVIRTUALBOX}/machine.include
 
 # add ssh port if linux and NAT
 if [ "${vmostype}" = "Linux26" ] && [ "${network_kind}" = "NAT" ]; then
@@ -291,9 +316,6 @@ if [ "${vmostype}" = "Linux26" ] && [ "${network_kind}" = "NAT" ]; then
   writelog "\tGuest SSH port:\t\t${vmsshport}"
 fi
 
-cat ${OPENSLX_DEFAULT_DIR}/plugin-repo/${self}/empty-diff.vdi.gz | \
-  gunzip > "${snapshotdir}/{${snapshotuuid}}.vdi"
-
 ################################################################################
 ### finally set env for run-virt.sh
 ################################################################################